56893646089 has 16 divisors (see below), whose sum is σ = 66080399616. Its totient is φ = 47974651200.

The previous prime is 56893646087. The next prime is 56893646093. The reversal of 56893646089 is 98064639865.

It is not a de Polignac number, because 56893646089 - 2¹ = 56893646087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56893646089.

It is not an unprimeable number, because it can be changed into a prime (56893646087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104959 + ... + 353275.

It is an arithmetic number, because the mean of its divisors is an integer number (4130024976).

Almost surely, 2^56893646089 is an apocalyptic number.

It is an amenable number.

56893646089 is a deficient number, since it is larger than the sum of its proper divisors (9186753527).

56893646089 is a wasteful number, since it uses less digits than its factorization.

56893646089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248856.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 56893646089 in words is "fifty-six billion, eight hundred ninety-three million, six hundred forty-six thousand, eighty-nine".